/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { Directive, Input, TemplateRef, ViewContainerRef, inject } from '@angular/core';
import { Spinner } from './spinner.component';

@Directive({
    selector: '[nifiSpinner]',
    standalone: true
})
export class NifiSpinnerDirective {
    private templateRef = inject<TemplateRef<any>>(TemplateRef);
    private viewContainerRef = inject(ViewContainerRef);

    @Input() set nifiSpinner(nifiSpinner: boolean) {
        this.viewContainerRef.clear();
        if (nifiSpinner) {
            this.viewContainerRef.createComponent(Spinner);
        } else {
            this.viewContainerRef.createEmbeddedView(this.templateRef);
        }
    }
}
